Smooth the trajectories in X and Y of the walking pattern generator of Andrei Herdt.

...TrajectoryGeneration/FootTrajectoryGenerationStandard.cpp

...tTrajectoryGeneration/FootTrajectoryGenerationStandard.hh

...otTrajectoryGeneration/OnLineFootTrajectoryGeneration.cpp

src/Mathematics/PolynomeFoot.cpp

src/Mathematics/PolynomeFoot.hh

src/MotionGeneration/ComAndFootRealizationByGeometry.cpp

src/MotionGeneration/ComAndFootRealizationByGeometry.hh

src/PatternGeneratorInterfacePrivate.cpp

src/ZMPRefTrajectoryGeneration/DynamicFilter.cpp

src/ZMPRefTrajectoryGeneration/OrientationsPreview.cpp

src/ZMPRefTrajectoryGeneration/OrientationsPreview.hh

src/ZMPRefTrajectoryGeneration/ZMPVelocityReferencedQP.cpp

src/ZMPRefTrajectoryGeneration/ZMPVelocityReferencedQP.hh

tests/TestHerdt2010DynamicFilter.cpp

tests/TestKajita2003.cpp

tests/TestObject.cpp

tests/TestObject.hh